432439956 has 144 divisors (see below), whose sum is σ = 1246522368. Its totient is φ = 125452800.

The previous prime is 432439939. The next prime is 432439963. The reversal of 432439956 is 659934234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 594465 + ... + 595191.

Almost surely, 2^432439956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432439956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623261184).

432439956 is an abundant number, since it is smaller than the sum of its proper divisors (814082412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

432439956 is a wasteful number, since it uses less digits than its factorization.

432439956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 817 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 432439956 is about 20795.1906940042. The cubic root of 432439956 is about 756.2091677883.

The spelling of 432439956 in words is "four hundred thirty-two million, four hundred thirty-nine thousand, nine hundred fifty-six".